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Finding the Fourth Proportional to 65,034.92, 89,749.86 and 36,353.72

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Solution

The fourth proportional to 65,034.92, 89,749.86 and 36,353.72 is: 50,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,034.92 : 89,749.86 = 36,353.72 : x
  2. Step 2: Convert to fraction form
    65,034.92/89,749.86 = 36,353.72/x
  3. Step 3: Cross multiply
    65,034.92x = 89,749.86 × 36,353.72
  4. Step 4: Simplify right side
    65,034.92x = 3,262,741,280.48
  5. Step 5: Solve for x
    x = 3,262,741,280.48/65,034.92
  6. Step 6: Final answer
    x = 50,169.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.